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   rec.audio.tubes      Tube-based amplifiers... that go to 11      52,877 messages   

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   Message 50,879 of 52,877   
   Raymond Koonce to flipper   
   Re: Preamp   
   24 Mar 10 16:41:38   
   
   From: rkoonce@dsityler.com   
      
   Flipper,   
      
   Not to be anal, but the term is baxandall, named for P. J. Baxandall,   
   not bandaxall.  See this link:   
   http://www.schmarder.com/radios/tech/tone.htm for some details.   
      
   Best regards,   
      
   Raymond   
      
   flipper wrote:   
   > I've been toying with the idea of building a preamp with bandaxall   
   > tone controls.   
   >   
   > I've made an orphaned (not on menu) web page showing one idea.   
   >   
   > http://flipperhome.dyndns.org/6DT8%20Preamp   
   >   
   > The idea started with using a (super linear) pentode-triode pair in   
   > mind but I began wondering about pentode noise and, so, have done a   
   > (bootstrapped) triode cascode.   
   >   
   > Distortion is lower in the bandaxall feedback so the input cathode   
   > follower dominates.   
   >   
   > I'm curious what people think.   
   >   
   > I've not used pentodes in preamps so would feedback take care of the   
   > noise?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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